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Articles 114181 - 114210 of 255945

Full-Text Articles in Life Sciences

The Effects Of The Alexander Technique On Pasture In Violinists Using Motion Capture Technology, Rebekah Frederick, Zella Brown, Shatura Hall, Andrew Creech, Madhu Sridhar Apr 2017

The Effects Of The Alexander Technique On Pasture In Violinists Using Motion Capture Technology, Rebekah Frederick, Zella Brown, Shatura Hall, Andrew Creech, Madhu Sridhar

Research Horizons Day Posters

No abstract provided.


Correlation Between Hip Strength And Vertical Jump Height In Collegiate Female Basketball And Volleyball Players, Charabian U. Hill, Brittany A. Kjos Apr 2017

Correlation Between Hip Strength And Vertical Jump Height In Collegiate Female Basketball And Volleyball Players, Charabian U. Hill, Brittany A. Kjos

Research Horizons Day Posters

No abstract provided.


The Effect Of An Underwater Treadmill On Hba1c Levels In Lower Limb Amputees With Diabetes, Evelyn Rancher, Nateecha Carter, Morgan Anderson, Kiera Carson Apr 2017

The Effect Of An Underwater Treadmill On Hba1c Levels In Lower Limb Amputees With Diabetes, Evelyn Rancher, Nateecha Carter, Morgan Anderson, Kiera Carson

Research Horizons Day Posters

No abstract provided.


The Effect Of An Underwater Treadmill Aquatic Exercise Program On The Functional Ability Of K2 Trans-Tibial, Unillateral Amputees, David E. Walls, Brittany N. Carter, Brittany R. Taylor, Tyler C. Harrison Apr 2017

The Effect Of An Underwater Treadmill Aquatic Exercise Program On The Functional Ability Of K2 Trans-Tibial, Unillateral Amputees, David E. Walls, Brittany N. Carter, Brittany R. Taylor, Tyler C. Harrison

Research Horizons Day Posters

No abstract provided.


Will Weight Training Enhance Your Running Performance?, Melody Brown, Larisa Garcia, Juan Guevara, Shantara Powell Apr 2017

Will Weight Training Enhance Your Running Performance?, Melody Brown, Larisa Garcia, Juan Guevara, Shantara Powell

Research Horizons Day Posters

No abstract provided.


Expression Of Mammalian Dna In A Non-Native Cell System, Taylor Hyatt Apr 2017

Expression Of Mammalian Dna In A Non-Native Cell System, Taylor Hyatt

Undergraduate Honors Thesis Projects

In this study, we aimed to investigate the interaction between glucocorticoid receptors and calcium channels. To begin our research, we began to optimize the transfection efficiency of a glucocorticoid receptor within human embryonic kidney cells. Results found that this non-native cell was able to be transfected with pK7-GR-GFP DNA. Although it was unexpected, we were unable to obtain a transfection efficiency of 10% to move forward with other planned experiments. However, through our efforts, we were able to achieve a transfection efficiency of 0.04% and troubleshoot many difficulties that prevented obtaining a higher transfection efficiency. It was found that the …


Habitat Selection By The Greater Roadrunner (Geococcyx Californianus) In Rural North Texas, Elizabeth Jones Apr 2017

Habitat Selection By The Greater Roadrunner (Geococcyx Californianus) In Rural North Texas, Elizabeth Jones

Honors Theses

No abstract provided.


Novel Indices To Quantify Freeze Tolerance In Amphibians, Jolene R. Rearick Apr 2017

Novel Indices To Quantify Freeze Tolerance In Amphibians, Jolene R. Rearick

Biology ETDs

We propose Freeze Endurance (Fend) as a new measure of the ability of amphibians to tolerate internal freezing, allowing integration of time and temperature to describe each freeze event. Use of freeze endurance as a descriptor allows direct comparison between individuals, populations, and species, and may be scaled by body size, or other characteristics, to determine if abilities to survive freezing are significantly different between groups. Thermal limit examinations have long suffered from lack of comparability between publications due to differing endpoints, measurements, equipment, and organism availability, despite the value of information yielded by such studies to understanding …


Novel Approaches To Exploring Silk Use Evolution In Spiders, Rachael Elaina Alfaro Apr 2017

Novel Approaches To Exploring Silk Use Evolution In Spiders, Rachael Elaina Alfaro

Biology ETDs

Spider silk is enigmatic, and web structure, design, and adult morphology of the spinning apparatus of spiders once informed how systematists approached the spider phylogeny. The orb-web and adaptation of viscous silk was considered a key innovation leading to rapid diversification of spiders. However, the advent of molecular techniques including recent phylogenomics studies, overturned this major paradigm in spider evolution. Clades once considered monophyletic are no more. The orb-web is not a pinnacle of evolution, and the former sister group, using cribellate silk (loops of fibrils combed from a specialized silk plate on the abdomen), is now sister to the …


Integrating A Traditional 4-H Youth Program With Stem Programming Using Market Show Hog Dna To Evaluate Meat Quality, Denton Perkins, Joshua Dallin Apr 2017

Integrating A Traditional 4-H Youth Program With Stem Programming Using Market Show Hog Dna To Evaluate Meat Quality, Denton Perkins, Joshua Dallin

Student Research Symposium

Junior livestock projects provide excellent opportunities for education and positive agricultural experiences for 4-H youth. As genetic testing advances become widely available to livestock producers, youth benefit by learning the benefits and applications of genetic testing. Porcine stress syndrome (PSS), which springs from the HAL gene, is an inherited neuromuscular disorder in pigs that is triggered by stressful situations, such as exercise, fighting, marketing, vaccination, castration, parturition, hot weather, etc. The symptoms exhibited by pigs experiencing PSS include muscle and tail tremors, labored and irregular breathing, blanching and reddening of the skin, rapid rise in body temperature, collapse, muscle rigidity …


Biology: Weird Science?, Ao Liu, Elizabeth Stephenson, Audrey Hendrickson Apr 2017

Biology: Weird Science?, Ao Liu, Elizabeth Stephenson, Audrey Hendrickson

Collin College Undergraduate Interdisciplinary Student Research Conference

Papers Presented:

"The Relationship of the Second Light Treatment to Cell Germination and Polarization in Ceratopteris Fern Spores" by Ao Liu

Abstract: This research about the Ceratopteris richardii fern spores, which is part of the Discovery Lab in Plant Biology course at UT Austin led by Dr. Stan Roux. We focused on the relationship between the second light treatment and germination as well as polarization of the spores. Several groups of students tested different amounts of light and darkness on the influence of germination rate and the gravity response of the germinated spores.

"A Mathematical Model of Skeletal Muscle Regeneration" …


The Age Of Enlightenment 時間的啟示, Rachel Read Apr 2017

The Age Of Enlightenment 時間的啟示, Rachel Read

AMBROSIA 客道 : The Magazine of The International Culinary Institute

Renowned for its intense flavour and exquisite tenderness, dry-aged beef has been more popular, or more lovingly prepared.

經過精細加工處理的乾式熟成牛肉,肉質嫩滑、味道濃郁,難怪近年大受歡迎。


Senses And Sensibilities 五感美食體驗, Juliana Loh Apr 2017

Senses And Sensibilities 五感美食體驗, Juliana Loh

AMBROSIA 客道 : The Magazine of The International Culinary Institute

Good taste is just the start -- great dining can be a feast for all the senses.

享受美食首要是滿足味蕾,然而出色的餐飲,理應滿足五官的體驗。


Modeling Net Energy Balance Of Ethanol Production From Native Warm Season Grasses, Prabodh Illukpitiya, Chandra Reddy, Ankit Bansal Apr 2017

Modeling Net Energy Balance Of Ethanol Production From Native Warm Season Grasses, Prabodh Illukpitiya, Chandra Reddy, Ankit Bansal

Agricultural and Environmental Sciences Faculty Research

There has been an increasing interest in the use of perennial grasses as potential feedstock for ethanol production. The characteristics which make perennial grasses attractive for bioenergy feedstock development initiative are their high yield potential and the high contents of lignin and cellulose. The objective of the study is to model energy input and output and simulate Net Energy Value (NEV) of producing ethanol from native warm season grasses. According to simulated results, the mean NEV of ethanol production from native warm season grasses considered in the analysis was positive. Mean NEV for switchgrass and eastern gammagrass was higher compared …


Swosu Research And Scholarly Activity Fair 2017, Lisa Appeddu, Cj Smith Apr 2017

Swosu Research And Scholarly Activity Fair 2017, Lisa Appeddu, Cj Smith

SWOSU Research and Scholarly Activity Fair Programs

Welcome to the Twenty-Fourth SWOSU Research and Scholarly Activity Fair! On display today are 158 poster presentations and 11 oral presentations, involving 314 student researchers, writers, presenters, and artists, and 47 faculty sponsors encompassing scholarly activity from the SWOSU Departments of Art, Communication, and Theatre; Biological Sciences; Business & Computer Science; Chemistry and Physics; Engineering Technology; Language & Literature; Music; Pharmaceutical Sciences; Psychology; and Social Sciences; and SWOSU School of Nursing and Allied Health Sciences. In addition, there are poster presentations from the Western Technology Center Biomedical Academy, Francis Tuttle Technology Center, El Reno Public Schools, and BlueSTEM AgriLearning …


Characterization Of A Neuroprotective Retinal Synapse After Inducing Glaucoma In Long Evans Rats, Cynthia A. Cooley-Themm Apr 2017

Characterization Of A Neuroprotective Retinal Synapse After Inducing Glaucoma In Long Evans Rats, Cynthia A. Cooley-Themm

Research and Creative Activities Poster Day

Glaucoma is a group of degenerative retinal diseases characterized by progressive loss of retinal ganglion cells (RGCs) and their axons leading to irreversible loss of vision. Neuroprotection has been defined as any intervention that prevents optic nerve damage or RGC death. The neurotransmitter, acetycholine (ACh), has been linked to neuroprotection against excitotoxic cell death and neurodegenerative diseases of the central nervous system (CNS). Results from our lab have demonstrated that ACh provides neuroprotection against glutamate-induced excitotoxicity in isolated pig and rat RGCs in vitro. Additional studies using an in vivo rat model of glaucoma have shown that intravitreal injections or …


Phelps, Billy J. (Fa 1008), Manuscripts & Folklife Archives Apr 2017

Phelps, Billy J. (Fa 1008), Manuscripts & Folklife Archives

Folklife Archives Finding Aids

Finding aid only for Folklife Archives Project 1008.


Carter, Fred (Fa 1010), Manuscripts & Folklife Archives Apr 2017

Carter, Fred (Fa 1010), Manuscripts & Folklife Archives

Folklife Archives Finding Aids

Finding aid only for Folklife Archives Project 1010. Folk studies student project titled: “Bee-keeping Project,” which includes interviews and survey sheets with brief descriptions of the beekeeping culture in Taylor County, Kentucky. Sheets may include a brief description of belief or item, informant’s name, and a photo of bee culture.


Pengaruh Pupuk Silikon Organik Dan Kompos Terhadap Pertumbuhan Dan Hasil Gandum Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Agus Wahyudin, Tati Nurmala, Muhammad Irfan Janitra Apr 2017

Pengaruh Pupuk Silikon Organik Dan Kompos Terhadap Pertumbuhan Dan Hasil Gandum Di Dataran Medium Jatinangor, Fiky Yulianto Wicaksono, Agus Wahyudin, Tati Nurmala, Muhammad Irfan Janitra

Jurnal Kultivasi

Gandum di daerah tropis mempunyai potensi pengembangan di dataran medium.Silikon dapat mengurangi cekaman panas pada gandum di dataran medium, sementara kompos diharapkan dapat menjadi substitusi pupuk silikon. Penelitian ini bertujuan untuk mengetahui pengaruh interaksi antara pupuk silikon dengan kompos terhadap pertumbuhan dan hasil tanaman gandum (Triticum aestivum L.) di dataran medium. Penelitian ini dilaksanakan pada bulan April 2016 – September 2016 di kebun percobaan Ciparanje Fakultas Pertanian Universitas Padjadjaran, Jatinangor, Sumedang. Rancangan percobaan yang digunakan adalah rancangan acak kelompok sementara rancangan perlakuan adalah faktorial yang terdiri dari 6 taraf dosis silikon 50 kg ha-1, 100 kg ha-1, 150 kg ha-1, …


Respons Pertumbuhan Tanaman Aren (Arenga Pinnata Merr.) Dengan Pemberian Pupuk Organik Dan Pupuk Anorganik Berbeda Dosis, Mira Ariyanti, Mochamad Arief Soleh, Yudithia Maxiselly Apr 2017

Respons Pertumbuhan Tanaman Aren (Arenga Pinnata Merr.) Dengan Pemberian Pupuk Organik Dan Pupuk Anorganik Berbeda Dosis, Mira Ariyanti, Mochamad Arief Soleh, Yudithia Maxiselly

Jurnal Kultivasi

Tanaman aren (Arenga pinnata Merr.) adalah salah satu tanaman perkebunan yang bernilai ekonomis tinggi dan potensial untuk terus dikembangkan. Salah satu upaya untuk meningkatkan produktivitas aren di Indonesia adalah dengan pemupukan. Pupuk anorganik yang lazim diaplikasikan pada tanaman aren memiliki kecenderungan untuk merusak kualitas tanah. Oleh karena itu, perlu dilakukan usaha untuk untuk mengembalikan kesehatan tanah dengan cara mengimbangi pemberian pupuk anorganik dengan pupuk organik. Penelitian ini dilakukan di kebun percobaan Ciparanje, Fakultas Pertanian Universitas Padjadjaran, Kecamatan Jatinangor Kabupaten Sumedang, Jawa Barat pada Oktober 2016 - Desember 2016. Penelitian menggunakan rancangan acak kelompok terdiri dari enam kombinasi perlakuan dan diulang …


Application Of A Household-Based Molecular Xenomonitoring Strategy To Evaluate The Lymphatic Filariasis Elimination Program In Tamil Nadu, India, Swaminathan Subramanian, Purushothaman Jambulingam, Brian K. Chu, Candasamy Sadanandane, Venkatesan Vasuki, Adinarayanan Srividya, Mohamed S. Mohideen Abdulkader, Kaliannagounder Krishnamoorthy, Harikishan K. Raju, Sandra J. Laney, Steven A. Williams, Ralph H. Henderson Apr 2017

Application Of A Household-Based Molecular Xenomonitoring Strategy To Evaluate The Lymphatic Filariasis Elimination Program In Tamil Nadu, India, Swaminathan Subramanian, Purushothaman Jambulingam, Brian K. Chu, Candasamy Sadanandane, Venkatesan Vasuki, Adinarayanan Srividya, Mohamed S. Mohideen Abdulkader, Kaliannagounder Krishnamoorthy, Harikishan K. Raju, Sandra J. Laney, Steven A. Williams, Ralph H. Henderson

Biological Sciences: Faculty Publications

Lymphatic filariasis (LF) is one of the world’s foremost debilitating infectious diseases with nearly 800 million people at risk of infection. Given that LF is a mosquito-borne disease, the use of molecular xenomonitoring (MX) to detect parasite DNA/RNA in mosquitoes can serve as a valuable tool for LF monitoring and evaluation, particularly in Culexvector areas. We investigated using MX in a low-level prevalence district of Tamil Nadu, India by applying a household-based sampling strategy to determine trap location sites. Two independent mosquito samples were collected in each of a higher human infection hotspot area (sites with community microfilaria prevalence �1%) …


Rseqrep: Rna-Seq Reports, An Open-Source Cloud-Enabled Framework For Reproducible Rna-Seq Data Processing, Analysis, And Result Reporting, Travis L. Jensen, Michael Frasketi, Kevin Conway, Leigh Villarroel, Heather Hill, Konstantinos Krampis, Johannes B. Goll Apr 2017

Rseqrep: Rna-Seq Reports, An Open-Source Cloud-Enabled Framework For Reproducible Rna-Seq Data Processing, Analysis, And Result Reporting, Travis L. Jensen, Michael Frasketi, Kevin Conway, Leigh Villarroel, Heather Hill, Konstantinos Krampis, Johannes B. Goll

Publications and Research

RNA-Seq is increasingly being used to measure human RNA expression on a genome-wide scale. Expression profiles can be interrogated to identify and functionally characterize treatment-responsive genes. Ultimately, such controlled studies promise to reveal insights into molecular mechanisms of treatment effects, identify biomarkers, and realize personalized medicine. RNA-Seq Reports (RSEQREP) is a new open-source cloud-enabled framework that allows users to execute start-to-end gene-level RNA-Seq analysis on a preconfigured RSEQREP Amazon Virtual Machine Image (AMI) hosted by AWS or on their own Ubuntu Linux machine. The framework works with unstranded, stranded, and paired-end sequence FASTQ files stored locally, on Amazon Simple Storage …


Pemanfaatan Limbah Organik Sebagai Media Tanam Dan Aplikasi Urin Ternak Pada Pembibitan Kopi (Coffea Arabica L.), Santi Rosniawaty, Rija Sudirja, Hendi Hidayat Apr 2017

Pemanfaatan Limbah Organik Sebagai Media Tanam Dan Aplikasi Urin Ternak Pada Pembibitan Kopi (Coffea Arabica L.), Santi Rosniawaty, Rija Sudirja, Hendi Hidayat

Jurnal Kultivasi

Produksi kopi ditentukan mulai dari awal pembudidayaannya. Pembibitan merupakan salah satu tahapan budidaya untuk menghasilkan bibit yang baik dan akan menghasilkan tanaman yang berproduksi tinggi. Media tanam dan pemupukan merupakan salah satu hal penting dalam menghasilkan bibit yang baik. Pemanfaatan limbah kulit buah kopi dan serasah daun sebagai campuran media tanam serta penambahan urin kelinci dan urin sapi diharapkan dapat menghasilkan bibit kopi yang baik. Percobaan telah di laksanakan pada bulan Februari-Mei 2014 Percobaan dilaksanakan di Balai Pengembangan Benih Tanaman Perkebunan (BPBTP) Sindanglaya Bandung Perlakuan yang digunakan adalah kombinasi antara media menggunakan kompos daun atau kompos kulit kopi dengan konsentrasi …


Variabilitas Genetik, Kemajuan Genetik, Dan Pola Klaster Populasi Tegakan Benih Paraserianthes Falcataria (L.) Nielsen Setelah Seleksi Massa Berdasarkan Marka Morfologi, Sopandie Sunarya, Murdaningsih Haeruman Karmana, Neni Rostini, Sumadi Apr 2017

Variabilitas Genetik, Kemajuan Genetik, Dan Pola Klaster Populasi Tegakan Benih Paraserianthes Falcataria (L.) Nielsen Setelah Seleksi Massa Berdasarkan Marka Morfologi, Sopandie Sunarya, Murdaningsih Haeruman Karmana, Neni Rostini, Sumadi

Jurnal Kultivasi

Informasi variabilitas genetik, kemajuan genetik dan pola kluster fennotipik merupakan dasar pada penelitian pemuliaan pohon yang akan meningkatkan peluang diperolehnya pohon superior. Tujuan penelitian adalah mendapatkan beberapa parameter genetic dan pola kluster dari populasi tegakan benih Paraserianthes falcataria (L.) Nielsen menggunakan seleksi massa berdasarkan marker morfologi. Percobaan disusun menggunakan Rancangan Acak Kelompok (RBD) dengan lima perlakuan yang diulang empat kali. Materi percobaan adalah individu pohon pada tegakan benih P. falcataria. Pengamatan dilakukan terhadap karakter diameter setinggi dada (DBH), tinggi total (Ttot), tinggi bebas cabang (Tbc), kekekaran pohon (KPhn), tinggi tajuk (Ttjk), jumlah cabang (JCbg) dan volume pohon (VPhn). Variabilitas genetik …


Top Paper Panel, Rozen Gilerman, Daisy Jaimez, Alexander J. Harper, Lindy Winter Apr 2017

Top Paper Panel, Rozen Gilerman, Daisy Jaimez, Alexander J. Harper, Lindy Winter

Collin College Undergraduate Interdisciplinary Student Research Conference

Panel Chair: Kerry Byrnes-Loinette

Papers presented:

"Quantifying apoptosis induced by the fusion of EWS-FLI1 by means of terminal deoxynucleotidyl transferase (TdT) dUTP Nick-End Lableing (TUNEL) using the zebrafish model" by Rozen Gilerman

"How Economic Indicators Influence Mexican Immigration, and Mexican Immigration Success, in the United States" by Daisy Jaimez

"The Electric Spacecraft Propulsion System" by Alexander J. Harper

Abstract: Spacecraft propulsion systems play a pivotal role in the modern Aerospace Industry as they are responsible for allowing craft to move and navigate and therefore operate as they are intended to. While chemical systems are more well known, electric propulsion systems …


Effect Of Red Cabbage Extract On Minced Nile Perch Fish Patties Vacuum Packaged In High And Low Oxygen Barrier Films, Ayse Demirbas, Yavuz Yagiz, Ziynet Boz, Bruce A. Welt, Eric Mclamore, Maurice Marshall, William Pelletier, Amarat Simonne Apr 2017

Effect Of Red Cabbage Extract On Minced Nile Perch Fish Patties Vacuum Packaged In High And Low Oxygen Barrier Films, Ayse Demirbas, Yavuz Yagiz, Ziynet Boz, Bruce A. Welt, Eric Mclamore, Maurice Marshall, William Pelletier, Amarat Simonne

Journal of Applied Packaging Research

Oxidation of polyunsaturated fatty acids (PUFA), eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) in fish causes loss of product quality. Oxidative rancidity causes loss of nutritional value and undesirable color changes. Therefore, powerful antioxidant extracts may provide a relatively low cost and natural means to reduce oxidation, resulting in longer, higher quality and higher value shelf life of foods.

In this study, we measured synergistic effects of red cabbage antioxidant and vacuum packaging on lipid oxidation in fresh tilapia patties using thiobarbituric acid reactive substances (TBARS) assay, peroxide value (PV), pH and color analysis.

Concentrated red cabbage extract was obtained …


Bryant University Research And Engagement Day Program Apr 2017

Bryant University Research And Engagement Day Program

Bryant REDay (Research and Engagement Day)

No abstract provided.


Physiological Effects Of Five Different Marine Natural Organic Matters (Noms) And Three Different Metals (Cu, Pb, Zn) On Early Life Stages Of The Blue Mussel (Mytilus Galloprovincialis), Lygia Sega Nogueira, Adalto Bianchini, Scott Smith, Marianna Basso Jorge, Rachael L. Diamond, Chris M. Wood Apr 2017

Physiological Effects Of Five Different Marine Natural Organic Matters (Noms) And Three Different Metals (Cu, Pb, Zn) On Early Life Stages Of The Blue Mussel (Mytilus Galloprovincialis), Lygia Sega Nogueira, Adalto Bianchini, Scott Smith, Marianna Basso Jorge, Rachael L. Diamond, Chris M. Wood

Chemistry Faculty Publications

Metals are present in aquatic environments as a result of natural and anthropogenic inputs, and may induce toxicity to organisms. One of the main factors that influence this toxicity in fresh water is natural organic matter (NOM) but all NOMs are not the same in this regard. In sea water, possible protection by marine NOMs is not well understood. Thus, our study isolated marine NOMs by solid-phase extraction from five different sites and characterized them by excitation-emission fluorescence analysis—one inshore (terrigenous origin), two offshore (autochthonous origin), and two intermediate in composition (indicative of a mixed origin). The physiological effects of …


Glucans And The Poultry Immune System, Jacquie Jacob, Anthony J. Pescatore Apr 2017

Glucans And The Poultry Immune System, Jacquie Jacob, Anthony J. Pescatore

Animal and Food Sciences Faculty Publications

With the reduced availability of antibiotics, poultry producers are looking for feed additives to stimulate the immune system of their birds. Some beta-glucans have been shown to improve gut health in poultry subjected to a bacterial challenge, to increase the flow of new immunocytes into the various lymphoid organs, to increase macrophage function, to increase antibody titers after a vaccination and to function as an anti-inflammatory immunomodulator. As a result, beta-glucans may provide a tool for producers trying to reduce or eliminate the use of antibiotics in poultry diets.


Constitutive Activation Of Kappa Opioid Receptors At Ventral Tegmental Area Inhibitory Synapses Following Acute Stress., Abigail M Polter, Kelsey Barcomb, Rudy W Chen, Paige M Dingess, Nicholas M Graziane, Travis E Brown, Julie A Kauer Apr 2017

Constitutive Activation Of Kappa Opioid Receptors At Ventral Tegmental Area Inhibitory Synapses Following Acute Stress., Abigail M Polter, Kelsey Barcomb, Rudy W Chen, Paige M Dingess, Nicholas M Graziane, Travis E Brown, Julie A Kauer

Pharmacology and Physiology Faculty Publications

Stressful experiences potently activate kappa opioid receptors (κORs). κORs in the ventral tegmental area regulate multiple aspects of dopaminergic and non-dopaminergic cell function. Here we show that at GABAergic synapses on rat VTA dopamine neurons, a single exposure to a brief cold-water swim stress induces prolonged activation of κORs. This is mediated by activation of the receptor during the stressor followed by a persistent, ligand-independent constitutive activation of the κOR itself. This lasting change in function is not seen at κORs at neighboring excitatory synapses, suggesting distinct time courses and mechanisms of regulation of different subsets of κORs. We also …